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New features improve productivity, quality and worker safety of metal detectors

Gravity flow (GF) metal detectors are an essential part of the processing of any dry granular or particulate product. As product falls freely through the metal detector’s inspection zone, metal contaminants are detected and the contaminated portion of the product segregated from the main product flow and removed.

Mettler Toledo Safeline (mt.com/safelineus) has introduced multiple improvements to its GF metal detector line that further increase productivity, enhance brand protection and improve product and process quality while keeping operators safer. These improvements are aimed at making metal detection a smoother, safer, less disruptive process that adds to the profitability of operations.

The four new improvements are the RT (Reduced Test) Mode; the ATS (Automatic Test System; e-DriveÔ technology to increase detection of smaller and spherical contaminants; and Emulation, which enables the remote monitoring of detector performance on hand-held wireless devices.

RT Mode enables a significant reduction in the frequency of metal detector testing. A company currently testing metal detector function every two hours can extend this to every 12 hours with RT, providing the extended test period is still within the customer's quarantine period for that product. On-board technology continually analyzes the performance of all critical components within the system to ensure they are in a state of good health. Since the system tracks and identifies any elements that may lead to a reduction in performance, there is no need for frequent testing throughout production runs. RT Mode identifies any issues that can potentially affect the performance of the metal detector before the system goes out of specification, including operator involvement and alert users.

Mettler Toledo developed ATS to keep downtime to an absolute minimum. ATS automatically introduces three test pieces into the metal detector's aperture in a controlled manner via a pneumatic system–one ferrous, one non-ferrous and one stainless steel–at the touch of a button. A 4-test sample option is also available, to test for aluminum. ATS improves the efficiency and repeatability of performance testing to enhance quality processes.

The fourth new improvement is Emulation. Using VNC (Virtual Network Computing) technology, Emulation allows operators to mirror the Human Machine Interface (HMI) of one or more Profile metal detectors onto remote networked devices, including mobile phones, tablets and laptops. The customer downloads a free application from the app store and links it directly to the metal detector. This enables quality personnel to log in from any location and remotely monitor the current status of the detector, view any setting changes that have been made, and review access log statistics without having to be directly in front of the metal detector.

Emulation also enables line operators to monitor the performance of metal detectors that are typically located high above production lines, eliminating the need to climb ladders and work at dangerous heights. Safety is a concern of all manufacturers, and this feature has been an especially popular improvement.

Events

Converters Expo South is a one day expo that unites converters of paper, film, plastics and nonwovens with industry buyers, specialists and suppliers. With hundreds of attendees expected, Converters Expo South will be the place to find manufacturing partners, check out testing and prototyping equipment, meet with producers of disposables and learn the latest in flexo printing and packaging.

Your one-stop shop for all things converting is back in 2020 with additional exhibit space! Celebrating 13 years as the only one-day expo exclusively located in the Midwest, Converters Expo unites converters of paper, film, plastics and nonwovens with industry buyers, specialists and suppliers.

Products

The September issue of Packaging Strategies is the PACK EXPO Show issue, and offers articles on IIoT, pneumatic systems on a stretch wrapper, sanitary machine design, gender neutral branding, dairy food trends and more!